Finding the Fourth Proportional to 770,026.02, 1,149,399.06 and 679,124.58
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Solution
The fourth proportional to 770,026.02, 1,149,399.06 and 679,124.58 is: 1,013,712.70
Step by Step Solution
- Step 1: Write the proportion equation
770,026.02 : 1,149,399.06 = 679,124.58 : x - Step 2: Convert to fraction form
770,026.02/1,149,399.06 = 679,124.58/x - Step 3: Cross multiply
770,026.02x = 1,149,399.06 × 679,124.58 - Step 4: Simplify right side
770,026.02x = 780,585,153,874.90 - Step 5: Solve for x
x = 780,585,153,874.90/770,026.02 - Step 6: Final answer
x = 1,013,712.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.